source: Studio/Camera.gd@ f7b09c8

#extends Camera

# enum = {
#       MODE_PLAYER,
#       MODE_FOLLOW,
#       MODE_ZOOM
#}

#const SNAP_DISTANCE = 0.05
#const TARGET_VECTOR = Vector3(0,0,-1) # Targeting vector/angle, relative to target node. Multiplied by "distance".
#const MIN_DISTANCE = 0.5
#const MAX_DISTANCE = 2.5
#const UP = Vector3(0,1,0)

#export var speed = 2.0

#var anchor   # To bring the camera back once it needs to. (Transform)
#var target   # Node to follow or zoom on. (Node)
#var distance # Distance when zooming in or out. (float)
#var mode     # Currently active mode. (int)

#func follow(target_node):
#       if !is_processing():
#               anchor = transform
#               set_process(true)
#       distance = 1.0
#       target   = target_node
#       mode     = MODE_FOLLOW

#func zoom(target_node):
#       if !is_processing():
#               anchor = transform
#               set_process(true)
#       distance = 1.0
#       target   = target_node
#       mode     = MODE_ZOOM
        
#func go_to_player():
#       target = null
#       mode   = MODE_PLAYER
#       set_process(true)

#func snap_to_player():
#       transform = anchor
#       set_process(false)

#func _ready():
#       set_process(false)
#       mode = MODE_PLAYER
#       anchor = transform
#       distance = 1.0

#func _process(delta): match mode:
#       MODE_PLAYER:
#               var newTransform = transform.interpolate_with(anchor, delta * speed)
#               if newTransform.origin.distance_to(anchor.origin) < SNAP_DISTANCE:
#                       transform = anchor
#                       set_process(false)
#               else:
#                       transform = newTransform
#       MODE_FOLLOW:
#               distance = clamp(distance + delta / 8, 1.0, MAX_DISTANCE)
#               var targetTransform = target.global_transform
#               targetTransform.origin += targetTransform.basis.xform(TARGET_VECTOR * distance)
#               global_transform = global_transform.interpolate_with(targetTransform, delta * speed)
#               look_at(target, UP)
#       MODE_ZOOM:
#               distance = clamp(distance - delta / 4, MIN_DISTANCE, 1.0)
#               var targetTransform = target.global_transform
#               targetTransform.origin += targetTransform.basis.xform(TARGET_VECTOR * distance)
#               global_transform = global_transform.interpolate_with(targetTransform, delta * speed)
#               look_at(target, UP)